Home / 30,218.22-41,703.84-16,792.20

Finding the Fourth Proportional to 30,218.22, 41,703.84 and 16,792.20

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Solution

The fourth proportional to 30,218.22, 41,703.84 and 16,792.20 is: 23,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.22 : 41,703.84 = 16,792.20 : x
  2. Step 2: Convert to fraction form
    30,218.22/41,703.84 = 16,792.20/x
  3. Step 3: Cross multiply
    30,218.22x = 41,703.84 × 16,792.20
  4. Step 4: Simplify right side
    30,218.22x = 700,299,222.05
  5. Step 5: Solve for x
    x = 700,299,222.05/30,218.22
  6. Step 6: Final answer
    x = 23,174.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.